参数资料
| 型号： | MAX8751ETJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 20/27页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR CCFL INV 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | CCFL 控制器 |
| 频率： | 30 ~ 80 kHz |
| 电流 - 电源： | 3.2mA |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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Fixed-Frequency, Full-Bridge CCFL
Inverter Controller
Table 2. Operation Summary
PIN
MASTER MODE USING
INTERNAL OSCILLATORS
MASTER MODE USING
EXTERNAL SYNC SIGNAL
(SYNC ONLY)
MASTER MODE USING
EXTERNAL SYNC SIGNAL
(SYNC AND DIMMING)
SLAVE MODE
CNTL control is disabled.
The external signal controls
CNTL
An analog voltage on CNTL
sets the brightness.
An analog voltage on CNTL
sets the brightness.
the brightness. Connect
CNTL to an analog voltage
Connect CNTL to V CC .
in case the external sync
signal is lost.
SEL
HF
LF
HFCK
LFCK
HSYNC
Connect SEL to GND.
Connect a resistor to GND to
set the switching frequency.
Connect a resistor between
LF and GND to set DPWM
frequency.
Connect to the HFCK pin of
its slave controller. Connect
1M ? resistor to GND. See
Note 1.
Connect to the LFCK pin of
its slave controller. Connect
1M ? resistor to GND. See
Note 1.
Not used. Connect to GND.
Connect SEL to GND.
The internal oscillator is not
active. Connect a resistor to
GND in case the external sync
signal is lost.
The internal oscillator is not
active. Connect a resistor to
GND in case the external sync
signal is lost.
Connect to the HFCK pin of its
slave controller. Connect 1M ?
resistor to GND. See Note 1.
Connect to the LFCK pin of its
slave controller. Connect 1M ?
resistor to GND. See Note 1.
Connect to a high-frequency
external signal to sync the
switching frequency.
Connect SEL to V CC .
The internal oscillator is not
active. Connect a resistor to
GND in case the external
sync signal is lost.
The internal oscillator is not
active. Connect a resistor to
GND in case the external
sync signal is lost.
Connect to the HFCK pin of
its slave controller. Connect
1M ? resistor to GND. See
Note 1.
Connect to the LFCK pin of
its slave controller. Connect
1M ? resistor to GND. See
Note 1.
Connect to a high-
frequency external signal to
sync the switching
frequency.
Don’t care.
Connect to the PSCK
pin of its master
controller.
Connect to the DPWM
pin of its master
controller.
Connect to the HFCK
pin of its master
controller. Connect
1M ? resistor to GND.
See Note 1.
Connect to the LFCK
pin of its master
controller. Connect
1M ? resistor to GND.
See Note 1.
Not used. Connect to
GND.
Connect a low-frequency
LSYNC
Not used. Connect to GND.
Connect a low-frequency
external signal to sync the
DPWM frequency.
external signal to sync the
DPWM frequency. The duty
cycle of the external signal
Not used. Connect to
GND.
determines the brightness.
PSCK
DPWM
Connect to the HF pin of its
slave controller.
Connect to the LF pin of its
slave controller.
Connect to the HF pin of its
slave controller.
Connect to the LF pin of its
slave controller.
Connect to the HF pin of its
slave controller.
Connect to the LF pin of its
slave controller.
Connect to the HF pin
of its slave controller.
Connect to the LF pin of
its slave controller.
Note 1: 1M ? resistor at HFCK and LPCK is added to define the state of the pins in Shutdown mode.
20
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